22121122202210 has 32 divisors (see below), whose sum is σ = 42180671557440. Its totient is φ = 8329347778752.

The previous prime is 22121122202209. The next prime is 22121122202227. The reversal of 22121122202210 is 1220222112122.

It is a super-4 number, since 4×22121122202210⁴ (a number of 54 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370756664 + ... + 370816323.

It is an arithmetic number, because the mean of its divisors is an integer number (1318145986170).

Almost surely, 2^{22121122202210} is an apocalyptic number.

22121122202210 is a deficient number, since it is larger than the sum of its proper divisors (20059549355230).

22121122202210 is a wasteful number, since it uses less digits than its factorization.

22121122202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741573170.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22121122202210 its reverse (1220222112122), we get a palindrome (23341344314332).

The spelling of 22121122202210 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, two hundred ten".